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Finding the Fourth Proportional to 8,335.51, 12,502.35 and 2,490.75

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Solution

The fourth proportional to 8,335.51, 12,502.35 and 2,490.75 is: 3,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.51 : 12,502.35 = 2,490.75 : x
  2. Step 2: Convert to fraction form
    8,335.51/12,502.35 = 2,490.75/x
  3. Step 3: Cross multiply
    8,335.51x = 12,502.35 × 2,490.75
  4. Step 4: Simplify right side
    8,335.51x = 31,140,228.26
  5. Step 5: Solve for x
    x = 31,140,228.26/8,335.51
  6. Step 6: Final answer
    x = 3,735.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.